11817880

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{673}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 26690400

約数和(自身を除く): 14872520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 673, 878, 1346, 1756, 2195, 2692, 3365, 3512, 4390, 5384, 6730, 8780, 13460, 17560, 26920, 295447, 590894, 1181788, 1477235, 2363576, 2954470, 5908940, 11817880]

約数ペア:

[(1, 11817880), (2, 5908940), (4, 2954470), (5, 2363576), (8, 1477235), (10, 1181788), (20, 590894), (40, 295447), (439, 26920), (673, 17560), (878, 13460), (1346, 8780), (1756, 6730), (2195, 5384), (2692, 4390), (3365, 3512)]